The best Windows Hello webcams add something your PC may lack: a quick, secure way to log in to your PC without a password. Wouldn’t it be nice if your PC just recognized you instead? That’s where a ...

A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...